diff options
| -rw-r--r-- | src/test/ui/consts/promoted_const_call.rs | 6 | ||||
| -rw-r--r-- | src/test/ui/consts/promoted_const_call.stderr | 22 | ||||
| -rw-r--r-- | src/test/ui/consts/promoted_const_call2.rs | 6 | ||||
| -rw-r--r-- | src/test/ui/consts/promoted_const_call2.stderr | 22 | ||||
| -rw-r--r-- | src/test/ui/consts/promoted_const_call3.rs | 12 | ||||
| -rw-r--r-- | src/test/ui/consts/promoted_const_call3.stderr | 44 |
6 files changed, 106 insertions, 6 deletions
diff --git a/src/test/ui/consts/promoted_const_call.rs b/src/test/ui/consts/promoted_const_call.rs index 3034d3da95c..cd71939f561 100644 --- a/src/test/ui/consts/promoted_const_call.rs +++ b/src/test/ui/consts/promoted_const_call.rs @@ -9,4 +9,8 @@ pub const C: () = { //~| ERROR: temporary value dropped while borrowed }; -fn main() {} +fn main() { + let _: &'static _ = &id(&Panic); + //~^ ERROR: temporary value dropped while borrowed + //~| ERROR: temporary value dropped while borrowed +} diff --git a/src/test/ui/consts/promoted_const_call.stderr b/src/test/ui/consts/promoted_const_call.stderr index 32bb1941a7d..502b432587f 100644 --- a/src/test/ui/consts/promoted_const_call.stderr +++ b/src/test/ui/consts/promoted_const_call.stderr @@ -18,6 +18,26 @@ LL | let _: &'static _ = &id(&Panic); | | creates a temporary value which is freed while still in use | type annotation requires that borrow lasts for `'static` -error: aborting due to 2 previous errors +error[E0716]: temporary value dropped while borrowed + --> $DIR/promoted_const_call.rs:13:26 + | +LL | let _: &'static _ = &id(&Panic); + | ---------- ^^^^^^^^^^ creates a temporary value which is freed while still in use + | | + | type annotation requires that borrow lasts for `'static` +... +LL | } + | - temporary value is freed at the end of this statement + +error[E0716]: temporary value dropped while borrowed + --> $DIR/promoted_const_call.rs:13:30 + | +LL | let _: &'static _ = &id(&Panic); + | ---------- ^^^^^ - temporary value is freed at the end of this statement + | | | + | | creates a temporary value which is freed while still in use + | type annotation requires that borrow lasts for `'static` + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0716`. diff --git a/src/test/ui/consts/promoted_const_call2.rs b/src/test/ui/consts/promoted_const_call2.rs index 7be0bcdf9e9..f332cd18cea 100644 --- a/src/test/ui/consts/promoted_const_call2.rs +++ b/src/test/ui/consts/promoted_const_call2.rs @@ -7,4 +7,8 @@ pub const C: () = { //~| ERROR: destructor of `String` cannot be evaluated at compile-time }; -fn main() {} +fn main() { + let _: &'static _ = &id(&String::new()); + //~^ ERROR: temporary value dropped while borrowed + //~| ERROR: temporary value dropped while borrowed +} diff --git a/src/test/ui/consts/promoted_const_call2.stderr b/src/test/ui/consts/promoted_const_call2.stderr index b93c0862a25..13d864ed3db 100644 --- a/src/test/ui/consts/promoted_const_call2.stderr +++ b/src/test/ui/consts/promoted_const_call2.stderr @@ -18,13 +18,33 @@ LL | let _: &'static _ = &id(&String::new()); | | creates a temporary value which is freed while still in use | type annotation requires that borrow lasts for `'static` +error[E0716]: temporary value dropped while borrowed + --> $DIR/promoted_const_call2.rs:11:26 + | +LL | let _: &'static _ = &id(&String::new()); + | ---------- ^^^^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use + | | + | type annotation requires that borrow lasts for `'static` +... +LL | } + | - temporary value is freed at the end of this statement + +error[E0716]: temporary value dropped while borrowed + --> $DIR/promoted_const_call2.rs:11:30 + | +LL | let _: &'static _ = &id(&String::new()); + | ---------- ^^^^^^^^^^^^^ - temporary value is freed at the end of this statement + | | | + | | creates a temporary value which is freed while still in use + | type annotation requires that borrow lasts for `'static` + error[E0493]: destructor of `String` cannot be evaluated at compile-time --> $DIR/promoted_const_call2.rs:4:30 | LL | let _: &'static _ = &id(&String::new()); | ^^^^^^^^^^^^^ the destructor for this type cannot be evaluated in constants -error: aborting due to 3 previous errors +error: aborting due to 5 previous errors Some errors have detailed explanations: E0493, E0716. For more information about an error, try `rustc --explain E0493`. diff --git a/src/test/ui/consts/promoted_const_call3.rs b/src/test/ui/consts/promoted_const_call3.rs index 05381c751ee..6d68a2de70e 100644 --- a/src/test/ui/consts/promoted_const_call3.rs +++ b/src/test/ui/consts/promoted_const_call3.rs @@ -13,4 +13,14 @@ pub const C: () = { //~^ ERROR: temporary value dropped while borrowed }; -fn main() {} +fn main() { + let _: &'static _ = &String::new(); + //~^ ERROR: temporary value dropped while borrowed + + let _: &'static _ = &id(&String::new()); + //~^ ERROR: temporary value dropped while borrowed + //~| ERROR: temporary value dropped while borrowed + + let _: &'static _ = &std::mem::ManuallyDrop::new(String::new()); + //~^ ERROR: temporary value dropped while borrowed +} diff --git a/src/test/ui/consts/promoted_const_call3.stderr b/src/test/ui/consts/promoted_const_call3.stderr index f6b4b26d21f..af17457a10a 100644 --- a/src/test/ui/consts/promoted_const_call3.stderr +++ b/src/test/ui/consts/promoted_const_call3.stderr @@ -57,7 +57,49 @@ LL | LL | }; | - temporary value is freed at the end of this statement -error: aborting due to 6 previous errors +error[E0716]: temporary value dropped while borrowed + --> $DIR/promoted_const_call3.rs:17:26 + | +LL | let _: &'static _ = &String::new(); + | ---------- ^^^^^^^^^^^^^ creates a temporary value which is freed while still in use + | | + | type annotation requires that borrow lasts for `'static` +... +LL | } + | - temporary value is freed at the end of this statement + +error[E0716]: temporary value dropped while borrowed + --> $DIR/promoted_const_call3.rs:20:26 + | +LL | let _: &'static _ = &id(&String::new()); + | ---------- ^^^^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use + | | + | type annotation requires that borrow lasts for `'static` +... +LL | } + | - temporary value is freed at the end of this statement + +error[E0716]: temporary value dropped while borrowed + --> $DIR/promoted_const_call3.rs:20:30 + | +LL | let _: &'static _ = &id(&String::new()); + | ---------- ^^^^^^^^^^^^^ - temporary value is freed at the end of this statement + | | | + | | creates a temporary value which is freed while still in use + | type annotation requires that borrow lasts for `'static` + +error[E0716]: temporary value dropped while borrowed + --> $DIR/promoted_const_call3.rs:24:26 + | +LL | let _: &'static _ = &std::mem::ManuallyDrop::new(String::new()); + | ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use + | | + | type annotation requires that borrow lasts for `'static` +LL | +LL | } + | - temporary value is freed at the end of this statement + +error: aborting due to 10 previous errors Some errors have detailed explanations: E0493, E0716. For more information about an error, try `rustc --explain E0493`. |